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Finding the Fourth Proportional to 173,896.40, 239,991.88 and 98,458.32

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Solution

The fourth proportional to 173,896.40, 239,991.88 and 98,458.32 is: 135,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,896.40 : 239,991.88 = 98,458.32 : x
  2. Step 2: Convert to fraction form
    173,896.40/239,991.88 = 98,458.32/x
  3. Step 3: Cross multiply
    173,896.40x = 239,991.88 × 98,458.32
  4. Step 4: Simplify right side
    173,896.40x = 23,629,197,318.44
  5. Step 5: Solve for x
    x = 23,629,197,318.44/173,896.40
  6. Step 6: Final answer
    x = 135,880.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.